netdev - [PATCH] vti: remove GRE_KEY flag for vti tunnel

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Date:	Wed,  4 Dec 2013 16:48:37 +0800
From:	Hangbin Liu <liuhangbin@...il.com>
To:	network dev <netdev@...r.kernel.org>
Cc:	Cong Wang <xiyou.wangcong@...il.com>,
	Saurabh Mohan <saurabh.mohan@...tta.com>,
	Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCH] vti: remove GRE_KEY flag for vti tunnel

vti tunnel use IPPROTO_IPIP instead of IPPROTO_GRE, and keys are not allowed
with ipip tunnel. So there is no reason to set GRE_KEY flag for vti.

Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
---
 net/ipv4/ip_vti.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index 52b802a..58c4e6a 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -185,10 +185,8 @@ vti_tunnel_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 	if (err)
 		return err;
 
-	if (cmd != SIOCDELTUNNEL) {
-		p.i_flags |= GRE_KEY | VTI_ISVTI;
-		p.o_flags |= GRE_KEY;
-	}
+	if (cmd != SIOCDELTUNNEL)
+		p.i_flags |= VTI_ISVTI;
 
 	if (copy_to_user(ifr->ifr_ifru.ifru_data, &p, sizeof(p)))
 		return -EFAULT;
-- 
1.8.1.4

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